<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>基于definePrototype的双向数据绑定</title>
  <script src="vue.js"></script>
</head>
<body>
  <div id="app"></div>
  <script>
    // Object.defineProperty(a,'name',{
    //   get :function () {
    //     return 1;
    //   },
    //   set:function(){

    //   }
    // })
  </script>
</body>
</html>